diff --git a/pkgs/by-name/tk/tk-safe/package.nix b/pkgs/by-name/tk/tk-safe/package.nix
new file mode 100644
index 000000000000..155077cfe0d1
--- /dev/null
+++ b/pkgs/by-name/tk/tk-safe/package.nix
@@ -0,0 +1,103 @@
+{
+  stdenv,
+  lib,
+  fetchurl,
+  squashfsTools,
+  autoPatchelfHook,
+  copyDesktopItems,
+  alsa-lib,
+  nss,
+  libdrm,
+  libgbm,
+  libGL,
+  libxkbcommon,
+  pcsclite,
+  makeDesktopItem,
+  makeWrapper,
+  wrapGAppsHook3,
+  udev,
+}:
+
+stdenv.mkDerivation rec {
+  pname = "tk-safe";
+  version = "25.8.1";
+
+  # To update, check https://search.apps.ubuntu.com/api/v1/package/tk-safe and copy the anon_download_url and version.
+  src = fetchurl {
+    url = "https://api.snapcraft.io/api/v1/snaps/download/rLNeIGEaag0TKFQLO0TxF3ARXg3rcTNx_18.snap";
+    hash = "sha256-OrDbxLcmbL/yTANCMHcJsdGE+LK8rondGQvj+YBqS0E=";
+  };
+
+  desktopItems = [
+    (makeDesktopItem {
+      name = "tk-safe";
+      icon = "tk-safe";
+      exec = "tk-safe";
+      desktopName = "TK-Safe";
+      comment = meta.description;
+      genericName = "Eletronic medical record (ePA)";
+      categories = [ "Utility" ];
+    })
+  ];
+
+  nativeBuildInputs = [
+    autoPatchelfHook
+    copyDesktopItems
+    makeWrapper
+    squashfsTools
+    wrapGAppsHook3
+  ];
+
+  unpackPhase = ''
+    runHook preUnpack
+
+    unsquashfs $src
+
+    runHook postUnpack
+  '';
+
+  sourceRoot = "squashfs-root";
+
+  postPatch = ''
+    rm -rf lib usr
+  '';
+
+  buildInputs = [
+    alsa-lib
+    nss
+    libdrm
+    libgbm
+    libxkbcommon
+    udev
+    pcsclite
+  ];
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/{bin,opt/tk-safe}
+    mv * $out/opt/tk-safe
+    ln -s $out/opt/tk-safe/app/tk-safe $out/bin/tk-safe
+
+    mkdir -p $out/share/icons/hicolor/1024x1024/apps
+    ln -s $out/opt/tk-safe/meta/gui/icon.png $out/share/icons/hicolor/1024x1024/apps/tk-safe.png
+
+    runHook postInstall
+  '';
+
+  preFixup = ''
+    wrapProgram $out/opt/tk-safe/app/tk-safe \
+      --prefix LD_LIBRARY_PATH : "${lib.makeLibraryPath [ libGL ]}"
+  '';
+
+  meta = {
+    description = "Electronic medical record (ePA) by Techniker Krankenkasse (TK)";
+    homepage = "https://snapcraft.io/tk-safe";
+    license = lib.licenses.unfree;
+    platforms = [ "x86_64-linux" ];
+    # Vendored copy of Electron.
+    sourceProvenance = with lib.sourceTypes; [ binaryNativeCode ];
+    maintainers = with lib.maintainers; [ felschr ];
+    mainProgram = "tk-safe";
+  };
+}